upstream-zulip/web/templates/settings/admin_linkifier_add_form.hbs

<div id="add-linkifier-form">
    <p>
        {{t "For instance, you can add a linkifier that automatically turns #2468 into a link to the GitHub issue in the Zulip repository with:" }}
    </p>
    <ul>
        <li>
            {{t "Example text to linkify" }}: <span class="rendered_markdown"><code>#2468</code></span>
        </li>
        <li>
            {{t "Pattern" }}: <span class="rendered_markdown"><code>#(?P&lt;id&gt;[0-9]+)</code></span>
        </li>
        <li>
            {{t "URL template" }}: <span class="rendered_markdown"><code>https://github.com/zulip/zulip/issues/{id}</code></span>
        </li>
        <li>
            {{t "Auto-convert pasted URLs matching the template to" }}: <span class="rendered_markdown"><code>#{id}</code></span>
        </li>
        <li>
            {{t "Alternative URL templates for auto-conversion" }}: <span class="rendered_markdown"><code>https://github.com/zulip/zulip/pull/{id}</code></span>
        </li>
    </ul>
    <form class="linkifier-add-form modal-form" id="add-linkifier-form-modal">
        <div class="alert" id="add-linkifier-status"></div>
        {{> linkifier_form_fields . }}
    </form>
</div>